The Biodiversity A-Z provides clear, concise and relevant information about various topics relating to biodiversity written and reviewed by experts. It is designed to be a useful reference to all sectors including business, government and environmental agencies. The content of the Biodiversity A-Z is structured around themes, each theme is divided into several categories, and in some cases, further divided into sub-categories. Searches throughout the website can be filtered by themes, categories or sub-categories.

The information contained in the Biodiversity A-Z is drawn from various sources including the official documents of international conventions, reports from a number of relevant international organisations, and academic publications.